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发明名称
Прибор для построения диаграммы скоростей подъема инструмента при вращательном бурении
摘要
申请公布号
SU28688(A1)
申请公布日期
1932.12.31
申请号
SU19310099742
申请日期
1931.12.19
申请人
KOCHAROV S.B.
发明人
KOCHAROV S.B.
分类号
G06G1/14
主分类号
G06G1/14
代理机构
代理人
主权项
地址
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